Zobrazeno 1 - 10
of 357
pro vyhledávání: '"Tae Won Noh"'
Autor:
Eun Kyo Ko, Sungsoo Hahn, Changhee Sohn, Sangmin Lee, Seung-Sup B. Lee, Byungmin Sohn, Jeong Rae Kim, Jaeseok Son, Jeongkeun Song, Youngdo Kim, Donghan Kim, Miyoung Kim, Choong H. Kim, Changyoung Kim, Tae Won Noh
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)
Abstract Hund’s rule coupling (J) has attracted much attention recently for its role in the description of the novel quantum phases of multi-orbital materials. Depending on the orbital occupancy, J can lead to various intriguing phases. However, ex
Externí odkaz:
https://doaj.org/article/9c965bd82a024d14ad4b67428383d5ba
Autor:
Jeongkeun Song, Eun Kyo Ko, Sangmin Lee, Junsik Mun, Ji Hwan Jeong, Jong Hwa Lee, Woo Jin Kim, Miyoung Kim, Yangyang Li, Ji Hye Lee, Tae Won Noh
Publikováno v:
APL Materials, Vol 11, Iss 6, Pp 061104-061104-7 (2023)
The 5d pyrochlore iridate family (R2Ir2O7, where R is a rare earth ion) has garnered significant attention due to its topological properties, such as Weyl semimetallic phases and axion insulator. However, the investigation of these properties has bee
Externí odkaz:
https://doaj.org/article/fa32478e3b594928a45ff80942f74ec3
Autor:
Jeongkeun Song, Taekoo Oh, Eun Kyo Ko, Ji Hye Lee, Woo Jin Kim, Yangyu Zhu, Bohm-Jung Yang, Yangyang Li, Tae Won Noh
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-8 (2022)
The lack of net magnetization in antiferromagnets makes them technologically promising, but it also makes detecting the spin orders challenging. Here, using electrical transport measurement, Song et al show how the planar Hall effect can detect diffe
Externí odkaz:
https://doaj.org/article/55929a98231f4012bbeabac3b7446e70
Autor:
Soyeun Kim, Steffen Backes, Hyojin Yoon, Woojin Kim, Changhee Sohn, Junwoo Son, Silke Biermann, Tae Won Noh, Se Young Park
Publikováno v:
npj Quantum Materials, Vol 7, Iss 1, Pp 1-7 (2022)
Abstract Materials displaying metal-insulator transitions (MITs) as a function of external parameters such as temperature, pressure, or composition are most intriguing from the fundamental point of view and also hold high promise for applications. Va
Externí odkaz:
https://doaj.org/article/6a6907bdb7fd44b890e61bcf844e3f95
Autor:
Han Gao, Chao Ding, Jaeseok Son, Yangyu Zhu, Mingzheng Wang, Zhi Gen Yu, Jianing Chen, Le Wang, Scott A. Chambers, Tae Won Noh, Mingwen Zhao, Yangyang Li
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Dispersionless plasmons could find important practical applications, but previous demonstrations have been limited to 2D materials and small momentum range. Here the authors report ultra-flat plasmons propagating over a wide range of momenta in a 3D
Externí odkaz:
https://doaj.org/article/1fb4cfa43dcb4f30bf30d97842484f95
Autor:
Byungmin Sohn, Jeong Rae Kim, Choong H. Kim, Sangmin Lee, Sungsoo Hahn, Younsik Kim, Soonsang Huh, Donghan Kim, Youngdo Kim, Wonshik Kyung, Minsoo Kim, Miyoung Kim, Tae Won Noh, Changyoung Kim
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)
Transition metal oxides exhibit a variety of correlated phases in their bulk form; however, they typically become insulators in the monolayer limit. Here, the authors report a correlated metallic state in a single-atomic layer of epitaxial SrRuO3, re
Externí odkaz:
https://doaj.org/article/dc9dad4df1ca449d8c736bc029b4ef8d
Publikováno v:
APL Materials, Vol 10, Iss 8, Pp 080901-080901-9 (2022)
Pyrochlore iridates exhibit various novel topological phenomena due to their topology and electron correlation. Notably, pyrochlore iridate was the first proposed material system shown to host the time-reversal symmetry broken Weyl semimetal phase. A
Externí odkaz:
https://doaj.org/article/6dcda3629a1f439291e8cd863bc496fe
Publikováno v:
npj Quantum Materials, Vol 6, Iss 1, Pp 1-8 (2021)
Abstract Oxygen vacancy in oxide ferroelectrics can be strongly coupled to the polar order via local strain and electric fields, thus holding the capability of producing and stabilizing exotic polarization patterns. However, despite intense theoretic
Externí odkaz:
https://doaj.org/article/fa18c281c99e4763aa41d16ef8b5d264
Autor:
Jeong Rae Kim, Jinhyuk Jang, Kyoung-June Go, Se Young Park, Chang Jae Roh, John Bonini, Jinkwon Kim, Han Gyeol Lee, Karin M. Rabe, Jong Seok Lee, Si-Young Choi, Tae Won Noh, Daesu Lee
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-9 (2020)
Previous studies are limited to modulate oxygen octahedral rotation angles within the same pattern, and engineering the pattern remains a challenge. Here, the authors demonstrate a designed nonequilibrium oxygen octahedral rotation pattern leads to r
Externí odkaz:
https://doaj.org/article/ad5be48573384242a0298f0fd289e95c
Autor:
Sung Min Park, Bo Wang, Tula Paudel, Se Young Park, Saikat Das, Jeong Rae Kim, Eun Kyo Ko, Han Gyeol Lee, Nahee Park, Lingling Tao, Dongseok Suh, Evgeny Y. Tsymbal, Long-Qing Chen, Tae Won Noh, Daesu Lee
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-8 (2020)
Manipulating the electric state of large band gap dielectrics without any damage is quite challenging. Here, the authors demonstrate by mechanically introducing strain gradients that large electric fields are generated via flexoelectric interactions,
Externí odkaz:
https://doaj.org/article/b5de0e79ebd545199c9e849966d7944f